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<FONT color="green">001</FONT>    package gates;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import mathtools.Complex;<a name="line.3"></a>
<FONT color="green">004</FONT>    import mathtools.Matrix;<a name="line.4"></a>
<FONT color="green">005</FONT>    import register.Register;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    /**<a name="line.7"></a>
<FONT color="green">008</FONT>     * Nand all inputs: This matrix flips all states except the first state. <a name="line.8"></a>
<FONT color="green">009</FONT>     * Surrounded by two hadamard transforms makes the inversion about mean.<a name="line.9"></a>
<FONT color="green">010</FONT>     * Flips all states in vector space orthogonal to vector space of first state. <a name="line.10"></a>
<FONT color="green">011</FONT>     * @author Jan Zaucha, Alex Bush<a name="line.11"></a>
<FONT color="green">012</FONT>     *<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    public class NandAllMatrix extends MatrixGate {<a name="line.14"></a>
<FONT color="green">015</FONT>    <a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>            /**<a name="line.17"></a>
<FONT color="green">018</FONT>             * Protected constructor to create an instance of this object<a name="line.18"></a>
<FONT color="green">019</FONT>             * <a name="line.19"></a>
<FONT color="green">020</FONT>             */<a name="line.20"></a>
<FONT color="green">021</FONT>            protected NandAllMatrix(){<a name="line.21"></a>
<FONT color="green">022</FONT>            }<a name="line.22"></a>
<FONT color="green">023</FONT>            <a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>            /**<a name="line.25"></a>
<FONT color="green">026</FONT>             * Matrix that will flip all states except 0 state<a name="line.26"></a>
<FONT color="green">027</FONT>             *<a name="line.27"></a>
<FONT color="green">028</FONT>             * @param r the register <a name="line.28"></a>
<FONT color="green">029</FONT>             */<a name="line.29"></a>
<FONT color="green">030</FONT>            public void apply(Register r) {<a name="line.30"></a>
<FONT color="green">031</FONT>                    int numStates = r.getNumStates();<a name="line.31"></a>
<FONT color="green">032</FONT>                    Matrix nand = Matrix.IdentityMatrix(numStates);<a name="line.32"></a>
<FONT color="green">033</FONT>                    for (int i=1; i&lt;numStates; i++){<a name="line.33"></a>
<FONT color="green">034</FONT>                            nand.setElement(i, i, new Complex(-1));<a name="line.34"></a>
<FONT color="green">035</FONT>                    }<a name="line.35"></a>
<FONT color="green">036</FONT>                    r.update(nand.multiplyMatrix(r));<a name="line.36"></a>
<FONT color="green">037</FONT>            }       <a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>            /**<a name="line.39"></a>
<FONT color="green">040</FONT>             * Returns the name of the gate regardless of representation.<a name="line.40"></a>
<FONT color="green">041</FONT>             */<a name="line.41"></a>
<FONT color="green">042</FONT>            public String getName() {<a name="line.42"></a>
<FONT color="green">043</FONT>                    return "Nand All";<a name="line.43"></a>
<FONT color="green">044</FONT>            }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>    }<a name="line.46"></a>




























































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